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13 lines
590 B
13 lines
590 B
'use strict'; |
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var nativePropertyIsEnumerable = {}.propertyIsEnumerable; |
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var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; |
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// Nashorn ~ JDK8 bug |
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var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1); |
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// `Object.prototype.propertyIsEnumerable` method implementation |
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// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable |
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exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) { |
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var descriptor = getOwnPropertyDescriptor(this, V); |
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return !!descriptor && descriptor.enumerable; |
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} : nativePropertyIsEnumerable;
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